[m-rev.] diff: fix .module_dep files

[Peter Wang]

On 2008-07-22, Julien Fischer <juliensf at csse.unimelb.edu.au> wrote:
>
> On Tue, 22 Jul 2008, Zoltan Somogyi wrote:
>>
>> Julien is looking into changing tools/bootcheck to build stage 2 both with
>> and without --use-subdirs, and using each version of stage 2 for the right
>> set of test directories.
>
> I've thought about this and I think we should add a separate stage 4,
> which is stage 2 with --use-subdirs.  The rationale for that is that it
> will be useful in some circumstances to keep stage 2 around, e.g for 
> situations where the buggy behaviour is caused by --use-subdirs.

It seems overkill to build an entire stage 4 just to test --use-subdirs.
If all you wanted to do was run the test suite, you could just use a
shell script to populate a pseudo-stage 4 directory using the files from
stage 2, putting them into subdirectories.

On the other hand, you might as well build a stage 4 using mmc --make
(using the stage 2 compiler).  To save time, it would be enough to
rebuild the library directories with mmc --make, then copy some files
from the stage 2 compiler directory.  WORKSPACE=stage4 lmc should work
then.

Peter

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